Archived posting to the Leica Users Group, 2000/01/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Jonathan Borden wrote: > > When "rolling" a modification of PMK is recommended. PMK is said to oxidize > rapidly under tube conditions. Adding Vitamin C corrects this (but reduces > stain under tray conditions). The formula called "Rollo Pyro" for obvious > reasons is available from Bostick & Sullivan. > > The Vitamin C formula is published in this article from the JOBO quarterly > if you wish to mix your own: > > http://www.jobo-usa.com/jobofoto/jq/jq9804.htm > > Jonathan Borden > Are you or these guys or anyone aware of any other Vitamin C paper developer formulas? Mark Rabiner my prints are looking a might scurvy!!!